Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for preparing thermoplastic sheets, films, and plates

Method and apparatus for preparing thermoplastic sheets, films, and plates

US Patent 5639404 · Granted Jun 17, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for producing a thermoplastic plastic film, film and use thereof2012
Method and device for regulating pressure in a single-screw degassing extruder o2006
Optically isotrophic polycarbonate films and a method for the production thereof2006
Polycarbonate composite material which can be thermoplastically shaped, methods 2005
Plastic composites made from incompatible plastics2004
Infrared-reflecting bodies2004
Apparatus for the calibration of hollow chamber sheet extruded lines2004
Optically isotropic polycarbonate films and a method for the production thereof2003
Process for stable widthwise regulation of bulb angle in extrusion of sheets of 2002
Optical diffuser plates2002
Apparatus for the calibration of hollow chamber sheet extruded lines2002
Process for preparing multilayer plastic composites of incompatible plastics2001